This paper proposes a novel method to combine a reinforcement learning-based control agent and robust controller to provide a high-performance robust control solution. The proposed integration method is applied for motion control of autonomous road vehicles, providing safe motion. In the integration, motion control on longitudinal and lateral dynamics is performed. Depending on the chosen reward function different driving characteristics are achieved e.g., minimal lap time, accurate path following, or enhanced passenger comfort. The training of the neural network is performed using Proximal Policy Optimization. The robust controller is designed through H \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathcal {H}_\infty $$\end{document} method, and the two controllers are combined using a supervisor, which performs a constrained quadratic programming task. As a result, lateral and longitudinal control inputs of the vehicle are calculated by the integrated control system. The effectiveness of the proposed control method using simulation scenarios and test scenarios on small-scaled test vehicles is illustrated.


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    Title :

    Reinforcement Learning-Based Robust Control for Path Tracking of Automated Vehicles


    Additional title:

    Lect.Notes Mechanical Engineering


    Contributors:

    Conference:

    The IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks ; 2023 ; Ottawa, ON, Canada August 21, 2023 - August 25, 2023



    Publication date :

    2024-10-13


    Size :

    8 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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